6209/HCKC3
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6209/HCKC3
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
407 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
85 mm
Outside diameter tolerance
-0.015mm to 0
Width
19 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
7351 lbf
Radial static load rating
4564 lbf
Limiting speed
7.7 X 1000 rpm
Lubrication
None
Radial internal clearance
C3
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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6209/HCKC3 Bearing Product Overview & Core Advantages
The 6209/C3 is a single row deep groove ball bearing engineered for high-performance applications requiring reliable radial load capacity. Characterized by its open design and increased radial internal clearance (C3), this bearing is optimized for operational environments where thermal expansion is a critical factor. Its metric dimensions and precision ABEC 1 | ISO P0 tolerance ensure consistent performance and ease of integration into various mechanical systems, making it a robust and versatile component for industrial machinery.
6209/HCKC3 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| 6209 | Basic bearing series designation, indicating a medium-duty, single row deep groove ball bearing with a 45mm bore, 85mm OD, and 19mm width. |
| C3 | Specifies a greater radial internal clearance than the standard C0 group. This is essential for applications with significant temperature gradients or where interference fits are used, preventing preload and potential seizure. |
6209/HCKC3 Bearing Structural Features & Performance Benefits
- Optimized for Radial Loads: The single row deep groove construction is primarily designed to support high radial dynamic load ratings (7351 lbf) and static load ratings (4564 lbf), providing reliable support for rotating shafts.
- Thermal Stability with C3 Clearance: The increased radial internal clearance (C3) accommodates thermal expansion of the bearing components and housing, making it suitable for applications with fluctuating operational temperatures. This prevents binding and reduces friction, contributing to a longer service life.
- High-Speed Capability: With a limiting speed of 7,700 rpm, this bearing is capable of operating in high-velocity scenarios. The open design allows for efficient lubrication management and heat dissipation.
- Robust Material Construction: Manufactured entirely from chrome steel for rings, balls, and cage, the bearing offers high strength, durability, and resistance to wear.
- Precision Engineering: Manufactured to ABEC 1 | ISO P0 tolerance class, ensuring smooth and quiet operation with minimal vibration.
6209/HCKC3 Bearing Typical Application Areas
- Electric Motors and Generators
- Industrial Gearboxes
- Agricultural Machinery
- Material Handling Conveyors
- Pumps and Fans
- General Industrial Machinery requiring reliable shaft support under radial loads.
